U.S. Air Force Airman 1st Class Ryan Louden, 40th Airlift Squadron (AS), 317th Airlift Group, Dyess Air Force Base, Texas, communicates with aircrew members during a simulated troop drop over western Texas, April 25, 2013. The intent of the mission was to establish and maintain air superiority, eliminate simulated surface-to-air threats, successfully airdrop a ranger regiment onto an airfield, establish communications with ground force commanders and eliminate enemy ground forces. (U.S. Air Force photo by Airman 1st Class Charles Rivezzo/Released)